Date: Sun, 4 Jul 1999 09:37:24 +0200 (CEST)
From: Leif Neland <leifn@neland.dk>
To: bb@taex001.tamu.edu
Cc: freebsd-isp@FreeBSD.ORG
Subject: Re: {bb} BB, sendmail and rbl
Message-ID: <Pine.BSF.4.05.9907040932390.70492-100000@arnold.neland.dk>
In-Reply-To: <Pine.LNX.4.10.9907031941470.2878-100000@abc.bbs-la.com>
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On Sat, 3 Jul 1999, root wrote: > > > On Sun, 4 Jul 1999, Leif Neland wrote: > > > I run Big Brother on a FreeBSD box, which is connected to the world on a > > dial-on-demand isdn. > > A few days ago, I enabled FEATURE(rbl)dnl, Realtime Blackhole list in my > > sendmail.mc > > > > Now everytime bb connects to sendmail, > > the dial-on-demand kicks in! > > > RBL is expensive in DNS transactions. Every mail address gets matched > against a illegal Reverse zone scheme. If you can stand it, you could > set up your named to be a downstream zone for the RBL master. It helps > (A Lot)!!! > > Steve Foster > BBS-la.com > > sysop@bbs-la.com I added logging to my named, and discovered that sendmail did a rbl-lookup on 127.0.0.1 (or the host connecting to it) at the initial connect. i.e. before any HELO or other chat. So I made my named authoritative for 0.0.127.maps.rbl.vix.com and 0.168.192.maps.rbl.vix.com. This stopped the dial-on-demand's on every bb-test Leif To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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